Add browser asset quality gate

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "docforge-web-quality",
+  "version": "0.0.0",
+  "private": true,
+  "packageManager": "npm@10.9.7",
+  "scripts": {
+    "lint:web": "uv run python tools/check_web_assets.py"
+  },
+  "devDependencies": {
+    "@eslint/js": "10.0.1",
+    "eslint": "10.8.0",
+    "globals": "17.7.0",
+    "html-validate": "11.5.6",
+    "stylelint": "17.14.1",
+    "stylelint-config-standard": "40.0.0",
+    "stylelint-csstree-validator": "4.0.0"
+  }
+}